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Definitions

penthouse

[pent-hous] / ˈpɛntˌhaʊs /
NOUN
aerie
Synonyms
STRONG
brood
NOUN
annex
Synonyms
STRONGEST
addendum appendix
STRONG
addition adjunct affix arm attachment ell subsidiary supplement wing
Antonyms
STRONG
base lessening subtraction
NOUN
apartment
Synonyms
STRONGEST
co-op condo condominium cooperative flat suite
STRONG
crash pad digs duplex apartment efficiency apartment living quarters lodging loft pad rental residence studio apartment walk-up
WEAK
accessory apartment bedsit cold-water flat garden apartment granny flat maisonette pied-à-terre railroad apartment railroad flat serviced apartment walk-in apartment
NOUN
extension
Synonyms
STRONGEST
delay development expansion increase postponement
STRONG
addendum addition adjunct amplification annex appendage appendix arm augmentation branch broadening compass dilatation distension elongation extent lengthening orbit production prolongation protraction purview radius reach scope span spread stretch stretching supplement sweep widening wing
WEAK
continuing drawing out spreading out
Antonyms
STRONGEST
decrease
STRONG
base body lessening shortening subtraction
WEAK
abbreviation abridgment compression contraction curtailment reduction

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

We don’t know specifically which unit they picked, but they had an option of a variety of spaces, including a loft or penthouse.

From MarketWatch • Apr. 30, 2026

Donald J. Trump in his gilded penthouse apartment at Trump Tower in New York.

From The Wall Street Journal • Apr. 16, 2026

There is also a private gym and a movie theater found in the penthouse.

From MarketWatch • Apr. 13, 2026

A penthouse in Manhattan’s Tribeca neighborhood has been the subject of local lore for almost two decades, largely thanks to its four-story slide.

From The Wall Street Journal • Mar. 3, 2026

A couple of Hunters gave us directions to the elevators, and we rode up to the penthouse suites.

From "The Last Olympian" by Rick Riordan